C2-symmetric chiral zinc alkoxides as catalysts for the enantioselective addition of diethylzinc to aryl aldehydes
β Scribed by K.R.K. Prasad; N.N. Joshi
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 205 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0957-4166
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π SIMILAR VOLUMES
Optically active set-alcohols in 90% enantiomeric excess were obtained from the enantioselective addition of dialkyl zincs to aryl aldehydes in the presence of a catalytic amount of dilithium salt of (2S, 52)-2, 5diisopropylpiperazine. Chiral piperazine (cyclic diamine) has rarely been utilized as c
Optically active amino thioacetate derivatives of (+l-norephedrine were found to act as effective catalysts for enantioselective addition of diethylzinc to aldehydes. This reaction provided optically active secondary alcohols with e.e. of up to >99%.
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